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    • 17. 发明申请
    • MESSAGE ACKNOWLEDGMENT BASED UPON COMMUNICATION QUALITY
    • 基于通信质量的消息确认
    • WO2012087567A1
    • 2012-06-28
    • PCT/US2011/063569
    • 2011-12-06
    • ECHOSTAR TECHNOLOGIES L.L.C.REAMS, William
    • REAMS, William
    • H04L1/16H04L1/18
    • H04L1/1825H04L1/14H04L1/1671H04L1/1685H04L1/1877
    • A method of selectively employing acknowledgment in a communication system is presented herein. In one implementation of the method, at least one indication of a communication quality of a link coupling a first communication node and a second communication node is processed. After processing the indication, a message from the first communication node is transmitted over the link to the second communication node. The message includes an acknowledgment request if the processing of the indication signifies that the communication quality of the link is below a predetermined level. Oppositely, the message does not include an acknowledgment request if the processing of the indication signifies that the communication quality of the link at least attains the predetermined level.
    • 本文给出了在通信系统中选择性地采用确认的方法。 在该方法的一个实施方式中,处理耦合第一通信节点和第二通信节点的链路的通信质量的至少一个指示。 在处理该指示之后,通过链路将来自第一通信节点的消息发送到第二通信节点。 如果指示的处理表示链路的通信质量低于预定水平,则该消息包括确认请求。 相反地​​,如果指示的处理表示链路的通信质量至少达到预定水平,则该消息不包括确认请求。
    • 18. 发明申请
    • METHOD AND APPARATUS FOR PACKET RETRANSMISSION IN A MOBILE COMMUNICATION SYSTEM
    • 移动通信系统中分组重传的方法和装置
    • WO2011126242A3
    • 2012-01-19
    • PCT/KR2011002304
    • 2011-04-04
    • SAMSUNG ELECTRONICS CO LTDKIM SOENG HUNLEE OK SEONJEONG KYEONG IN
    • KIM SOENG HUNLEE OK SEONJEONG KYEONG IN
    • H04L1/18
    • H04L1/1887H04L1/1864H04L1/1877
    • The present invention relates to a packet retransmission method for a terminal that accesses a base station through a contention-based access system, wherein the method comprises the following steps: transmitting an uplink packet to the base station; when the base station has failed to decode the uplink packet, receiving a retransmission request message transmitted by the base station; and initiating radio link control layer retransmission upon receipt of the retransmission request message. According to the present invention, the terminal, which uses a contention-based access system, initiates RLC retransmission upon receipt of HARQ NACK from the base station, and thus RLC retransmission can be immediately performed without having to wait for HARQ RTT, which otherwise might be needed in conventional HARQ retransmission systems, thereby preventing delays in HARQ retransmission.
    • 本发明涉及一种通过基于竞争的接入系统对基站进行接入的终端的分组重传方法,其特征在于,该方法包括以下步骤:向基站发送上行分组; 当所述基站未解码所述上行链路分组时,接收由所述基站发送的重传请求消息; 以及在接收到所述重传请求消息时发起无线电链路控制层重传。 根据本发明,使用基于竞争的接入系统的终端在从基站接收到HARQ NACK时发起RLC重传,因此可以立即执行RLC重传,而不必等待HARQ RTT,否则可能 在传统HARQ重传系统中需要,从而防止HARQ重传中的延迟。